Supported File Formats

Microsoft Office Formats

• Word: DOC, DOCX, DOCM, DOT, DOTX, DOTM
• Excel: XLS, XLSX, XLSM, XLT, XLTX, XLTM, XLSB, XLA, XLAM, CSV, TSV
• PowerPoint: PPT, PPTX, POT, POTX, PPS, PPSX, PPTM, PPSM, POTM
• Project: MPP
• Diagram: VSD, VSS
• Microsoft Compiled HTML: CHM
• OneNote: ONE

OpenDocument and Other Formats

• Portable Document Format: PDF
• OpenDocument: ODT, OTT, ODS, OTS, ODP
• Email: PST, OST, MSG, EML, EMLX
• Web File Formats: XML, HTM, HTML, XHTML, MHT, MHTML
• Audio: MP3, WAV
• Video: AVI, MOV, QT, FLV, ASF
• Text: TXT
• Rich Text Format: RTF
• Markdown Documentation File: MD
• Images: BMP, GIF, JP2, PNG, WEBP, TIFF, EMF, WMF, JPG, PSD
• Others: TORRENT, ZIP, DCM, DJVU, EPUB, FB2

GroupDocs.Search for .NET Features

• Create an index in memory or on disk and perform multi-threaded indexing and merging.
• Prevent indexing for already indexed files or with a specific string in the name.
• View progress percentage of index creation and update and get search report.
• Faster indexing by excluding specific words and index status notification for recently processed files.
• Index Zip archives within Zip archives and get a list of indexed files contained in an archive.
• Use list or import to replace characters during indexing and export them to a file.
• Index and search password protected files and compact indexing to save disk space.
• Extract text from index or source file & automatically save text file encoding in Index
• Add arbitrary additional fields to each document during indexing.
• Set up document filtering in search results.
• Handle typing mistakes using Fuzzy Search, set similarity level and display best results only.
• Add English synonyms to default synonym dictionary.
• Search complete phrase with stop words and combine faceted search with boolean search.
• Search based on homo-phonic terms, synonyms, date range, wild cards and case sensitivity.
• Index and search emails from Microsoft Outlook and browse using Aspose.Email API.
• Supports spell check and wild cards in search queries and skip special characters in search phrases.
• Limit results for each term in search query as well as for all results.
• Extract HTML text to a file and generate a URL to navigate HTML-formatted search results.
• Combine multiple queries into a single object tree.
• Alert user for non-supportive settings and auto-index reload in case of indexing error.
• Enable exact number of occurrences for each found word to offer alternative word suggestions in case of misspelling.
• Add text attributes to indexed documents without re-indexing.
• Perform indexing and searching operations based on characters.
• Index metadata of non-textual document formats.